docs: add [Unreleased] section to changelog for polishing epic #38

	name: Deploy to GitHub Pages

	on:
	push:
	branches: [main]
	workflow_dispatch:

	permissions:
	contents: read
	pages: write
	id-token: write

	concurrency:
	group: pages
	cancel-in-progress: false

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Install uv
	uses: astral-sh/setup-uv@v4
	with:
	python-version: "3.14t"

	- name: Cache uv dependencies
	uses: actions/cache@v4
	with:
	path: ~/.cache/uv
	key: uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}
	restore-keys: \|
	uv-${{ runner.os }}-

	- name: Install dependencies
	run: uv sync --group dev --group docs
	env:
	PYTHON_GIL: "0"

	# Use bengal cache hash for accurate cache invalidation
	# This includes all build inputs: content, config, autodoc sources, templates, etc.
	- name: Get cache hash
	id: cache
	working-directory: site
	run: echo "hash=$(uv run bengal cache hash)" >> $GITHUB_OUTPUT
	env:
	PYTHON_GIL: "0"

	- name: Cache Bengal build state
	uses: actions/cache@v4
	with:
	path: site/.bengal
	key: bengal-${{ runner.os }}-${{ steps.cache.outputs.hash }}
	# No restore-keys - we want exact match for correctness

	- name: Build documentation site
	working-directory: site
	run: uv run bengal site build --environment production
	env:
	PYTHON_GIL: "0"

	- name: Prepare for upload
	run: \|
	touch site/public/.nojekyll
	echo "" > site/public/.gitignore

	- name: Upload Pages artifact
	uses: actions/upload-pages-artifact@v3
	with:
	path: site/public

	deploy:
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	needs: build
	runs-on: ubuntu-latest
	steps:
	- id: deployment
	uses: actions/deploy-pages@v4

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